#!/bin/bash

set -eu

CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
source $CUR/../_utils/test_prepare
WORK_DIR=$OUT_DIR/$TEST_NAME
CDC_BINARY=cdc.test
SINK_TYPE=$1

CDC_COUNT=3
DB_COUNT=4
MAX_RETRIES=20

function check_changefeed_state() {
	pd_addr=$1
	changefeed_id=$2
	expected=$3
	state=$(cdc cli --pd=$pd_addr changefeed query -s -c $changefeed_id | jq -r ".state")
	if [[ "$state" != "$expected" ]]; then
		echo "unexpected state $state, expected $expected"
		exit 1
	fi
}

export -f check_changefeed_state

function run() {
	# test kafka sink only in this case
	if [ "$SINK_TYPE" == "mysql" ]; then
		return
	fi

	rm -rf $WORK_DIR && mkdir -p $WORK_DIR
	start_tidb_cluster --workdir $WORK_DIR
	cd $WORK_DIR

	pd_addr="http://$UP_PD_HOST_1:$UP_PD_PORT_1"
	TOPIC_NAME="ticdc-kafka-sink-error-resume-test-$RANDOM"
	SINK_URI="kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&kafka-version=${KAFKA_VERSION}&max-message-bytes=10485760"

	# Return an failpoint error to fail a kafka changefeed.
	# Note we return one error for the failpoint, if owner retry changefeed frequently, it may break the test.
	export GO_FAILPOINTS='github.com/pingcap/tiflow/cdc/sink/producer/kafka/KafkaSinkAsyncSendError=1*return(true)'
	run_cdc_server --workdir $WORK_DIR --binary $CDC_BINARY --addr "127.0.0.1:8300" --pd $pd_addr
	changefeed_id=$(cdc cli changefeed create --pd=$pd_addr --sink-uri="$SINK_URI" 2>&1 | tail -n2 | head -n1 | awk '{print $2}')
	run_kafka_consumer $WORK_DIR "kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&version=${KAFKA_VERSION}&max-message-bytes=10485760"

	run_sql "CREATE DATABASE kafka_sink_error_resume;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "CREATE table kafka_sink_error_resume.t1(id int primary key auto_increment, val int);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "CREATE table kafka_sink_error_resume.t2(id int primary key auto_increment, val int);" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "INSERT INTO kafka_sink_error_resume.t1 VALUES ();"

	ensure $MAX_RETRIES check_changefeed_state $pd_addr $changefeed_id "error"
	cdc cli changefeed resume --changefeed-id=$changefeed_id --pd=$pd_addr
	ensure $MAX_RETRIES check_changefeed_state $pd_addr $changefeed_id "normal"

	check_table_exists "kafka_sink_error_resume.t1" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT}
	check_table_exists "kafka_sink_error_resume.t2" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT}
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	run_sql "INSERT INTO kafka_sink_error_resume.t1 VALUES (),();" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "INSERT INTO kafka_sink_error_resume.t2 VALUES (),();" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	run_sql "UPDATE kafka_sink_error_resume.t2 SET val = 100;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml

	export GO_FAILPOINTS=''
	cleanup_process $CDC_BINARY
}

trap stop_tidb_cluster EXIT
run $*
check_logs $WORK_DIR
echo "[$(date)] <<<<<< run test case $TEST_NAME success! >>>>>>"
